Best AI Advisory Services

Trilateral Research vs Slalom: full comparison for 2026

Quick verdict

Trilateral Research (4.3/5) edges ahead of Slalom (3.8/5) overall. Trilateral Research is the better choice for public bodies needing rights and ethics assessments. Slalom is the stronger option for north American firms wanting local consultants. The right choice depends on how independent you need the advice to be, your regulatory exposure, and your budget.

Trilateral Research vs Slalom: head-to-head summary

Criterion Trilateral Research Slalom
Founded 2004 2001
HQ London, UK Seattle, USA
Team size 55–200 10,000+
Rating 4.3 / 5 3.8 / 5
Primary differentiator Fundamental rights and ethics impact assessments from a research-led firm Local-office consultants for AI governance and operating models
Pricing model Project fees; rates on request Consulting fees; rates not published
Min. engagement Not disclosed Not disclosed
Primary tech stack EU AI Act, GDPR, ISO/IEC 42001 AWS, Azure, Google Cloud
Industries served Public sector, Law enforcement, Healthcare, Financial services Financial services, Healthcare, Retail, Public sector

Trilateral Research vs Slalom: overview

Trilateral Research

Trilateral Research was established in 2004 and is headquartered in London, with an Irish operations center in Waterford. It began in research and data protection and now advises on responsible AI, including fundamental rights impact assessments of the kind the EU AI Act requires for some high-risk deployments. Directory estimates of its size range from about 55 to 200 people. It also builds its own ethical AI software, mostly for public-sector and law-enforcement users.

Slalom

Slalom has more than 10,000 employees in over 50 offices and was founded in Seattle in 2001. Its AI and data strategists work on governance and operating models, and a new chief AI officer arrived in August 2026. Close ties with the major cloud and data vendors mean its advice usually points toward those platforms.

Services and capabilities: Trilateral Research vs Slalom

Capability Trilateral Research Slalom
Readiness assessment ✓ ✗
Use-case prioritization ✗ ✗
TCO / ROI modeling ✗ ✗
AI governance & EU AI Act ✓ ✓
Build vs. buy advice ✗ ✗
Independent audit or assurance ✗ ✗
Roadmap any vendor can implement ✗ ✗
Delivery capability after advice ✗ ✓

Frameworks and platforms: Trilateral Research vs Slalom

Framework / platform Trilateral Research Slalom
EU AI Act ✓ N/A
GDPR ✓ N/A
DORA N/A N/A
NIST AI RMF N/A N/A
ISO/IEC 42001 ✓ N/A
Azure N/A ✓
AWS N/A ✓
Google Cloud N/A ✓

Pricing comparison: Trilateral Research vs Slalom

Criterion Trilateral Research Slalom
Minimum engagement Not disclosed Not disclosed
Engagement models Fixed-scope assessment, Ongoing advisory Multi-use-case advisory, Delivery team
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Trilateral Research vs Slalom

Dimension Trilateral Research Slalom
Best company size Startup to mid-market Enterprise
Best industries Public sector, Law enforcement, Healthcare Financial services, Healthcare, Retail
Best use cases Fundamental rights impact assessments for high-risk AI., Ethics reviews of public-sector AI systems. AI governance for a North American company., Operating-model changes for AI.
Typical project type Fixed-scope assessment Multi-use-case advisory

Trilateral Research vs Slalom: pros and cons

Trilateral Research
+ Two decades of research on ethics and data protection
+ Fundamental rights impact assessments are a core skill
+ Independent of the big cloud and software vendors
- Small team for large multi-country programs
- Builds its own software, which can shape recommendations
- Less focus on cost modeling or business cases
Slalom
+ Local teams for on-site work
+ Governance and operating-model experience
+ Can build afterward
- Advice leans toward its partner platforms
- Limited EU regulatory depth
- New AI leadership still settling in

Who should choose Trilateral Research?

A typical fit: fundamental rights impact assessments for high-risk AI.

Fundamental rights and ethics impact assessments from a research-led firm. Minimum engagement is not publicly disclosed. Works best with clients in Public sector, Law enforcement, Healthcare, Financial services.

Who should choose Slalom?

A typical fit: AI governance for a North American company.

Local-office consultants for AI governance and operating models. Minimum engagement is not publicly disclosed. Works best with clients in Financial services, Healthcare, Retail, Public sector.

Decision matrix: Trilateral Research vs Slalom

Your situation Recommended choice
You want advice with no build contract attached Trilateral Research
Finance needs run costs before approving anything Neither lists cost modeling; ask for a sample
Some of your use cases may be high-risk under the EU AI Act Both cover AI Act classification
You need an outside check on a system already built Neither; use a dedicated auditor
You want the same firm to build what it recommends Slalom
Your budget is at the lower end Compare: Trilateral Research (Not disclosed) vs Slalom (Not disclosed)
You need advisers in many countries at once Slalom

Use case fit: Trilateral Research vs Slalom

Use case Trilateral Research fit Slalom fit Winner
Fundamental rights impact assessments for high-risk AI. Strong Limited Trilateral Research
Ethics reviews of public-sector AI systems. Strong Limited Trilateral Research
AI governance for a North American company. Limited Strong Slalom
Operating-model changes for AI. Limited Strong Slalom

Verdict: Trilateral Research vs Slalom

Trilateral Research (4.3/5) is the stronger overall choice for most AI Advisory projects. Fundamental rights and ethics impact assessments from a research-led firm.

Slalom (3.8/5) is worth a look if you need operating-model changes for AI. If your situation matches that, Slalom is a competitive option.

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Trilateral Research vs Slalom FAQ

Is Trilateral Research better than Slalom?

Trilateral Research (4.3/5) scores higher overall, but "better" depends on your use case. Trilateral Research's strongest advantage: two decades of research on ethics and data protection. Slalom's strongest advantage: local teams for on-site work.

How do Trilateral Research and Slalom differ in pricing?

Trilateral Research's pricing: project fees; rates on request. Slalom's pricing: consulting fees; rates not published. Any hourly bands shown come from Clutch, not a published rate card, so a scoping call is still needed for a project quote.

Which is better for enterprise: Trilateral Research or Slalom?

Slalom is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each firm before shortlisting.

What are the main differences between Trilateral Research and Slalom?

Trilateral Research's primary differentiator is: fundamental rights and ethics impact assessments from a research-led firm. Slalom's primary differentiator is: local-office consultants for AI governance and operating models. They also differ in team size (55–200 vs 10,000+), minimum engagement (Not disclosed vs Not disclosed), and primary industries served (Public sector, Law enforcement vs Financial services, Healthcare).

Verify all details directly with each firm before making a decision.